Weather on March 11
Portland, OR
55 Years of Data
Avg High
56°F
Avg Low
41°F
Warmest
2005
62°F avg
Coldest
2006
38°F avg
About This Date
March 11th in Portland, OR typically brings cool spring weather, with average highs around 56°F and lows near 41°F. Over 56 years of records, the warmest March 11th was in 2005 (62°F average), while the coldest was 2006 (38°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 55% of March 11th dates historically, with the wettest March 11th recording 2.87" of rain. The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
Planning for March 11th in Portland, OR? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 52° | 41° | 46° | 2.21" | — |
| 2025 | 50° | 40° | 45° | 0.03" | — |
| 2024 | 49° | 44° | 46° | 0.94" | — |
| 2023 | 53° | 38° | 45° | — | — |
| 2022 | 61° | 35° | 48° | — | — |
| 2021 | 59° | 38° | 48° | — | — |
| 2020 | 55° | 39° | 47° | — | — |
| 2019 | 56° | 31° | 43° | — | — |
| 2018 | 67° | 43° | 55° | — | — |
| 2017 | 56° | 42° | 49° | 0.81" | — |
| 2016 | 52° | 40° | 46° | 0.51" | — |
| 2015 | 58° | 52° | 55° | 0.41" | — |
| 2014 | 57° | 37° | 47° | — | — |
| 2013 | 54° | 44° | 49° | — | — |
| 2012 | 45° | 38° | 41° | 0.71" | — |
| 2011 | 56° | 39° | 47° | — | — |
| 2010 | 49° | 44° | 46° | 2.08" | — |
| 2009 | 47° | 30° | 38° | — | — |
| 2008 | 53° | 44° | 49° | 0.15" | — |
| 2007 | 69° | 49° | 59° | 0.05" | — |
| 2006coldest | 46° | 31° | 38° | 0.1" | — |
| 2005warmest | 75° | 49° | 62° | — | — |
| 2004 | 67° | 44° | 55° | — | — |
| 2003 | 57° | 48° | 53° | — | — |
| 2002 | 52° | 43° | 47° | 2.87" | — |
| 2001 | 51° | 39° | 45° | — | — |
| 2000 | 56° | 39° | 47° | 0.61" | — |
| 1999 | 57° | 33° | 45° | — | — |
| 1998 | 64° | 52° | 58° | 0.03" | — |
| 1997 | 48° | 37° | 43° | 1.17" | — |
| 1996 | 54° | 48° | 51° | 0.51" | — |
| 1995 | 59° | 46° | 53° | 0.48" | — |
| 1994 | 57° | 37° | 47° | — | — |
| 1993 | 59° | 40° | 49° | — | — |
| 1992 | 68° | 41° | 55° | — | — |
| 1991 | 44° | 35° | 40° | 0.61" | — |
| 1990 | 45° | 36° | 40° | 0.15" | — |
| 1989 | 60° | 49° | 54° | 0.79" | — |
| 1988 | 58° | 32° | 45° | — | — |
| 1987 | 52° | 46° | 49° | 0.89" | — |
| 1986 | 56° | 47° | 51° | 0.25" | — |
| 1985 | 55° | 37° | 46° | — | — |
| 1984 | 59° | 41° | 50° | 0.3" | — |
| 1983 | 60° | 43° | 51° | — | — |
| 1982 | 53° | 36° | 44° | 1.02" | — |
| 1981 | 67° | 42° | 54° | — | — |
| 1980 | 48° | 39° | 44° | 0.51" | — |
| 1979 | 68° | 45° | 56° | — | — |
| 1978 | 52° | 43° | 47° | 0.41" | — |
| 1977 | 55° | 35° | 45° | 0.61" | — |
| 1976 | 55° | 37° | 46° | — | — |
| 1975 | 54° | 33° | 43° | — | — |
| 1974 | 59° | 40° | 49° | 0.94" | — |
| 1973 | 53° | 41° | 47° | 0.05" | — |
| 1972 | 61° | 50° | 55° | 0.61" | — |
| 1971 | 53° | 42° | 48° | 2.49" | — |
56 years of data from PORTLAND KGW-TV